SB2023121423 - Multiple vulnerabilities in Siemens SCALANCE M-800/S615 Family

Description

This security bulletin contains information about 3 vulnerabilities.

1) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2023-44318)

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote user to compromise the target system.

The vulnerability exists due to the usage a hardcoded key to obfuscate the configuration backup that an administrator can export from the device. A remote administrator can obtain a configuration backup to extract configuration information from the exported file.

2) Direct Request ('Forced Browsing') (CVE-ID: CVE-2023-44320)

CWE-ID: CWE-425 - Direct Request ('Forced Browsing')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper authentication when performing certain modifications in the web interface. A remote user can influence the user interface configured by an administrator.

3) Resource exhaustion (CVE-ID: CVE-2023-44321)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote administrator can trigger resource exhaustion and perform a denial of service (DoS) attack.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://cert-portal.siemens.com/productcert/txt/ssa-180704.txt